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docs/agent/overview.md

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+# Agent 认知架构
+
+## 核心闭环
+
+```mermaid
+flowchart LR
+    Perception["感知"] --> Context["上下文"]
+    Context --> Memory["记忆"]
+    Memory --> Understanding["理解"]
+    Understanding --> Planning["规划"]
+    Planning --> Decision["决策"]
+    Decision --> Action["行动"]
+    Action --> Observation["反馈"]
+    Observation --> Reflection["反思"]
+    Reflection --> Learning["学习"]
+    Learning --> Memory
+```
+
+## 主要能力
+
+- Runtime
+- Memory
+- Planning
+- Reasoning
+- Reflection
+- Tool Use
+- Model Use
+- Learning
+- Self Model
+- World Model
+
+当前阶段重点实现 Runtime、Memory、Planning、Tool、RAG；World Model 与 Self Model 保持可扩展接口。